Exercise hoop



FIG. 1 is a top plan view of an exercise hoop, showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a bottom view thereof.

The dash-dot broken lines in the drawings are for the purposes of illustrating portions of the exercise hoop, which form no part of the claimed design. 

CLAIM The ornamental design for an exercise hoop, as shown and described. 